对于诸如冰冠融化和温室效应等重大问题，政府和大公司有责任采取必要的措施。

For major issues such as the melting ice caps and the greenhouse effect, governments and large companies are duty-bound to take necessary measures.

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如果你想在增加当地鸟类数量，请准备好采取必要的措施来消除那些你想与之和谐相处的鸟类所带来的隐患。

If you start a local increase of birds, be prepared to do what may be required to eliminate hazards to those you want to befriend.

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好消息是，银行和决策者正在采取必要的措施。

The good news is that Banks and policymakers are now taking the necessary action.

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